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All results from a given calculation for CH3CHClCH2CH3 (Butane, 2-chloro-)

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-616.890412
Energy at 298.15K-616.900482
HF Energy-616.202729
Nuclear repulsion energy234.547195
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3216 3031 15.39      
2 A 3216 3030 14.25      
3 A 3200 3015 16.61      
4 A 3195 3011 24.90      
5 A 3156 2974 17.48      
6 A 3140 2959 1.57      
7 A 3111 2931 17.54      
8 A 3110 2930 16.56      
9 A 3095 2916 14.65      
10 A 1572 1481 7.15      
11 A 1562 1472 9.48      
12 A 1560 1470 1.88      
13 A 1551 1461 7.30      
14 A 1539 1450 0.98      
15 A 1474 1389 6.72      
16 A 1471 1386 6.41      
17 A 1444 1360 0.42      
18 A 1380 1300 24.94      
19 A 1366 1287 0.80      
20 A 1321 1244 9.14      
21 A 1228 1157 5.21      
22 A 1176 1108 1.99      
23 A 1144 1078 4.02      
24 A 1083 1021 1.43      
25 A 1044 984 9.77      
26 A 1007 949 6.00      
27 A 892 840 9.33      
28 A 829 781 9.57      
29 A 665 626 16.12      
30 A 476 448 1.12      
31 A 405 382 1.41      
32 A 340 321 0.96      
33 A 270 254 0.16      
34 A 245 231 0.16      
35 A 230 217 0.85      
36 A 122 115 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 27917.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 26303.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G*
ABC
0.15439 0.10463 0.06754

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.342 1.441 -0.009
H2 -1.510 1.442 -1.089
H3 -2.287 1.213 0.488
H4 -1.020 2.441 0.296
C5 -0.272 0.430 0.358
H6 -0.132 0.407 1.443
Cl7 -0.857 -1.221 -0.070
C8 1.059 0.706 -0.323
H9 1.320 1.748 -0.098
H10 0.915 0.642 -1.407
C11 2.193 -0.211 0.117
H12 2.347 -0.147 1.199
H13 1.978 -1.250 -0.135
H14 3.129 0.072 -0.372

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 Cl7 C8 H9 H10 C11 H12 H13 H14
C11.09281.09181.09441.51712.15432.70652.53052.68142.77253.90384.19414.27544.6895
H21.09281.77271.77642.15673.06272.92552.77983.01402.57314.23054.75774.50824.8893
H31.09181.77271.77502.16582.49132.87813.48013.69353.76444.71554.88194.96455.6011
H41.09441.77641.77502.14702.49853.68442.77812.47263.14364.17004.34224.77524.8240
C51.51712.15672.16582.14701.09401.80311.52052.11672.13832.55842.81062.85113.4967
H62.15433.06272.49132.49851.09402.33812.15092.50623.04582.74702.55233.11293.7470
Cl72.70652.92552.87813.68441.80312.33812.72883.68162.89823.21823.60932.83534.2008
C82.53052.77983.48012.77811.52052.15092.72881.09761.09581.52302.16852.16932.1650
H92.68143.01403.69352.47262.11672.50623.68161.09761.76092.15472.51533.06962.4805
H102.77252.57313.76443.14362.13833.04582.89821.09581.76092.16453.07662.51612.5093
C113.90384.23054.71554.17002.55842.74703.21821.52302.15472.16451.09421.09141.0931
H124.19414.75774.88194.34222.81062.55233.60932.16852.51533.07661.09421.76971.7682
H134.27544.50824.96454.77522.85113.11292.83532.16933.06962.51611.09141.76971.7692
H144.68954.88935.60114.82403.49673.74704.20082.16502.48052.50931.09311.76821.7692

picture of Butane, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.132 C1 C5 Cl7 108.904
C1 C5 C8 112.828 H2 C1 H3 108.483
H2 C1 H4 108.616 H2 C1 C5 110.396
H3 C1 H4 108.571 H3 C1 C5 111.183
H4 C1 C5 109.531 C5 C8 H9 106.787
C5 C8 H10 108.539 C5 C8 C11 114.411
H6 C5 Cl7 104.961 H6 C5 C8 109.633
Cl7 C5 C8 110.086 C8 C11 H12 110.837
C8 C11 H13 111.072 C8 C11 H14 110.629
H9 C8 H10 106.802 H9 C8 C11 109.550
H10 C8 C11 110.424 H12 C11 H13 108.132
H12 C11 H14 107.885 H13 C11 H14 108.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability